KR20040070664A - Coil tapping machine - Google Patents

Abstract

PURPOSE: A chip coil winding machine is provided to accurately control the position of a chip core by arranging a support for controlling the position of the chip core in rear and left sides of a base. CONSTITUTION: A chip coil winding machine comprises a transfer unit having a chuck(10b) for supporting a chip core having electrodes opposed with each other at both ends of the chip core, wherein the chuck is arranged in the peripheral part of a rotor, and the transfer unit moves the chip core within a predetermined plane by rotating the rotor; and a winding unit arranged in the vicinity of the outer surface of the transfer unit, wherein the winding unit forms a chip coil by connecting both ends of a coil to the electrode of the chip core, and recovers the coil of the chip coil from the chuck by separating the coil of the chip coil from an external coil. The chuck has a base(30) arranged to be adjusted in a vertical direction; a rear support(31) arranged in rear of the base in such a manner that the rear support is adjustable in forward and rearward directions; and left and right supports(32,33) arranged in left and right of the base in such a manner that the left and right supports are adjustable in left and right directions.

Description

Chip coil winding machine {Coil tapping machine}

The present invention relates to a chip coil winding machine, and more particularly, to provide a structure of a chuck that can accurately position the chip core in the process of winding the coil to the chip core.

The structure of a conventional general chip coil winding machine will be described with reference to FIGS. 1 to 4.

Reference numeral 10 is an index (index) and eight chucks (chuck: 10b) provided at regular intervals to sandwich the chip core A in the periphery of the rotor 1a and the rotor 10a, Coil wire support bars 10c for supporting the coils are formed between the chucks 10b. The index 10 configured as described above causes the rotor 10a to rotate in the direction of the arrow with the point O as the center of rotation so that the chip core A held by the chuck 10b is rotated within a constant rotational surface. .

On the other hand, the chuck 10b is supported so as to sandwich the chip core A by the fixing member 10b1 provided at the distal end portion and the fixing member 10b1 freely open and closed by the chuck body 10b2. The chip core A is formed on an H-shaped cube, and on one surface thereof, the chip electrodes a1 and a1 are provided so as to face opposite ends of the winding part a2. The chuck 10b sandwiches the chip core A such that the chip electrodes a1 and a1 are opposed to each other in a direction perpendicular to the direction of the moving arrow, that is, in a direction parallel to the radial axis L. FIG. Reference numeral 1b3 is a pin for winding the coil before winding the coil to the chip core A, and is installed such that the start of the coil to be wound around the chip core A is positioned at the chip electrode a1.

Also, reference numeral 12 denotes a part feeder, 13 denotes a winding device, 14 denotes a welding device, 15 denotes a cutting device, 16 denotes a cutting coil recovery device, and 17 denotes a chip). Coil recovery device.

The part feeder 12 is for supplying the chip core A to the chuck 10b, and the winding device 13 winds the coil around the winding portion a2 of the chip core A sandwiched by the chuck 10b. The welding device 14 is for thermal welding the both ends of the coil wound on the chip core winding part a2 by the winding device 13 to the chip electrodes a1, a1, and the cutting device 15 Is to cut and separate both ends of the coil from the external coil, the cutting coil recovery device 16 is for collecting the coil cut by the cutting device 15, the chip coil recovery device 17 as described above Similarly, the chip coil wound around the coil core A is recovered from the chuck 10b.

However, in the chip coil winding machine, the chip core A is sandwiched so that the chip electrodes a1 and a1 are opposed to each other in a direction parallel to the radial axis L, thereby allowing each device constituting the winding means to approach the index 10. In the process, the chip core is poorly aligned and there is a problem in that a winding defect occurs.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a structure of a chuck capable of accurately positioning a chip core.

In order to achieve the above object, the present invention improves the device to finely adjust the position of the fixing member of the chuck in the X, Y, Z axis.

1 is a perspective view showing the structure of a typical chip coil winding machine,

2 is a view showing a planar structure of the index installed in the chip coil winding machine of FIG.

3 is a plan view illustrating a structure of a chuck installed in the chip coil winding machine of FIG. 1;

4 is a perspective view showing the structure of a welding device and a cutting device installed in the chip coil winding machine of FIG.

5 is a three-dimensional view showing the structure of the chuck installed in the chip coil winding machine of the present invention.

* Explanation of symbols for main parts of drawings *

10-Feeder (index) 11-Part fits

12-Insertion device 13-Winding device

14-welding device 15-cutting device

16-Cutting coil recovery device 17-Chip coil recovery device

18-Tension Relief 19-Bobbin

20-control panel 10a-chuck

30-Base 31-Rear Support

32-left support 33-right support

The chip coil winding machine of the present invention is configured with an index (transfer means: 10) for supporting and rotating the chip core A, and a part feeder 11 for supplying the chip core A to the index 10. Is composed. An inserting device 12 that exchanges the chip core A of the part feeder 11 with the index 10 is configured, and the part feeder 11 and the inserting device 12 constitute a supply means.

Moreover, the winding device 13 which winds a coil around the chip core A supported by the index is comprised, The welding device 14 which heat-welzes and connects the coil wound by the chip core A to the chip electrode a1 is connected. It is comprised, and the cutting device 15 which cuts and isolates the coil wound by the chip core A from the external coil is comprised. In addition, a cutting bean collecting device 16 for collecting the coils that are cut and separated by the cutting device 15 is configured, and the chip coil recovery device 17 for recovering the chip coils formed by winding the coils around the chip core A. ) Is configured, and a tension control device 18 for supplying a constant tension to the coil wound from the bobbin 19 to the winding device 13 is configured. Moreover, the operation panel 20 for operating a chip coil winding machine is comprised.

Particularly, in the index 10, the reference numeral 10a is a disk-shaped rotating body, and eight chucks 10b are radially installed at the peripheral portion thereof, and a coil is provided between the chucks 10b. A coil wire support bar 10c for supporting is provided radially. The chuck 10b is for sandwiching the chip core A, and the coil wire support bar 10c is for clamping the coil.

The rotating body 10a is provided on the upper part of the index main body 10d, and is driven to rotate in the direction of the arrow with the point O as the center of rotation by the submotor provided in the index main body 10d. That is, the rotating body 10a rotates the chip core A clamped by the chuck 1b in the direction of the arrow within a certain rotating surface.

The chip core A is extremely small. On one surface thereof, the chip electrodes a1 and a1 are provided so as to face each other at both ends of the winding portion a2. The coil is a thin wire having a diameter of 0.02 to 0.08 mm so that the inductance can be increased by increasing the number of turns, and a coil having excellent high frequency characteristics is used. The chip coil formed from such a chip core A and a coil is small in size and excellent in high frequency characteristics.

In addition, 10b1 is a fixing member protruding from 10b2, and 10b3 is a movable member which opens and moves in the direction of arrow Y about the point 10b5 when pressure is applied to the pressure applying section 10b4. The chuck 10b is inclined by an angle of 45 ° with respect to the radial axis L by the fixing member 10b1 and the movable member 10b3 so that the opposite directions of the chip electrodes a1 provided at both ends of the chip core A are inclined with respect to the radial axis L. FIG. The chip core A is sandwiched.

Reference numeral 10b6 is a spring interposed between the chuck body 10b2 and the pressure portion 10b4. The chip core A is sandwiched between the fixing member 10b1 and the movable member 10b3 by the stretching force of the spring 10b6.

Reference numeral 13a denotes a rod-shaped plier provided in the winding device main body 13b, and is provided with a hole 13a1 through which a wire rod is inserted. This pliers 13a are 45 degrees with respect to the direction parallel to the opposing direction of the chip electrode a1, ie, the radial axis L. As shown to FIG.

The pliers 13a wind the coil around the winding portion a2 of the chip core A by rotating in a plane perpendicular to the opposite direction of the chip electrode a1. In this case, the length of the coil wire support bar 10c or the support position of the coil in the coil wire support bar 10c and the chuck so that both ends of the coil wound around the winding part a2 are located on the upper surface of the chip electrode a1. In 10b, the relative positional relationship of the pinching position of the chip core A is adjusted.

In addition, the code | symbol 14a is a welding plate. The welding plate 14a is installed to move and move up and down within the horizontal plane of the welding device body 14d via the welding electrode 14b and the heat sink 14c, and the current is energized by the welding electrode 14b to be heated. have. The welding plate 14a is lowered while being moved on the chip core A by the operation of the welding device main body 14d, and the chip electrode a1 of the chip core A wound by the winding device 13. It is pressed by the upper surface of the contact. Reference numeral 14f denotes a temperature sensor for detecting the temperature of the welding plate 14a.

The code | symbol 14g is provided in the welding apparatus main body 14d so that it may raise and lower as a support body. The support stand 14g raises and abuts on the lower surface of the chip core A, and supports the chip core A from below.

A pressure welding force adjusting means is inserted between the welding electrode 14b and the heat sink 14c. The pressure contact force adjusting means is formed of, for example, a spring inserted between the welding electrode 14b and the heat sink 14c and an adjustment screw for pressing the spring from the heat sink plate 14c side. The pressing force adjusting means adjusts the pressing force of the chip core A by the welding plate 14a by adjusting the pressure applied to the spring by rotating the adjusting screw to change the position of the adjusting screw tip portion.

A press force adjustment means is also inserted between the support stand 14g and the welding apparatus main body 14d. The pressure welding force adjusting means is formed of a spring inserted between the support stand 14g and the welding apparatus main body 14d and an adjustment screw for pressing the spring from the welding apparatus main body 14d side. This pressing force adjusting means adjusts the pressing force from the support 14g to the chip core A by adjusting the pressure applied to the spring by rotating the adjusting screw to vary the position of the adjusting screw tip.

Reference numeral 14h is a brush, and 14i is a file. The brush 14h and the string 14i are cleaning means for cleaning the lower surface of the welding plate 14a, that is, the contact surface with the chip electrode a1.

Reference numeral 15a denotes a cut bar constituting the cutting device 15. Two of these cutting bars 15a are arranged so that their front ends are in contact with coils which are spread on both sides of the chip core A. As shown in FIG.

The cutting bar 15a is provided on the supporting member 15c so as to rotate in a vertical plane about the point 15b. The supporting member 15c is installed in the cutting device main body 15e fixedly arranged via the lifting cylinder 15d and moved up and down by the operation of the lifting cylinder 15d to raise and lower the cutting bar 15a with respect to the coil. .

The cutting cylinder 15f is fixed to the support member 15c. The cutting cylinder 15f pushes the movable member 15g downward. When the cutting cylinder 15f is operated, the movable member 15g is moved up and down with respect to the support member 15c. The movable member 15g is provided so as to be sandwiched between two cutting bars 15a, and a lower end is provided at each cutting bar 15a. That is, when the cutting cylinder 15f is operated and the movable member 15g is pushed downward, the cutting bar 15a rotates around the point 15b. As a result, the tip end of the cutting bar 15a is lowered and pressed against the wire rod.

In addition, the push arm 15j is fixed to the movable member 15g. This press arm 15j is in contact with each of the coil wire support bars 10c on both sides of the chip core A. As shown in FIG. That is, when the cutting bar 15a is pressed against the wire rod by the operation of the cutting cylinder 15f, and the coil is cut, the push arm 15j is pressed against the coil wire support bar 10c from above to make the coil stronger. Narrow by force.

Cutting of the coil is performed immediately after the coil is welded to each chip electrode a1 by the welding device 14.

The operation of the needle coil winding machine of the present invention configured as described below will be described.

First, when the chip core A supplied from the part feeder 11 is clamped to the chuck 10b via the insertion device 12, the rotating body 10a is driven to rotate in the direction of the arrow. The coil drawn out from the pliers 13a is engaged by the coil wire support bar 10c positioned forward of the rotation direction of the chuck 10b on which the chip core A is mounted. At this time, the coil is locked to the coil wire support bar 10c by manual labor.

Next, the rotor 10a is rotationally driven by an angle in the direction of the arrow so that the chip core A is fixed to the tip of the pliers 13a, and the pliers 13a are perpendicular to the opposing directions of the chip electrodes a1. The coil part is rotated in the phosphor surface and wound around the winding part a2 a certain number of times. At the same time as this winding, a new chip core A is mounted on the next chuck 10b positioned behind the chuck 10b of the chip core A by the inserting device 12.

In this way, when the winding to the chip core A by the winding apparatus 13 is complete | finished, the rotating body 10a is rotationally driven by the said predetermined angle.

In particular, the chip coil winding device chuck 10b of the present invention is configured to allow fine adjustment in the vertical direction of the base 30 on which the chip core is placed, as shown in FIG. 5 in order to finely adjust the position of the chip core. The rear support 31 is arranged behind the base and can be fine-adjusted in the front-rear direction, and the left support 32 fixed to the chuck is formed. Moreover, the right side support body 33 which can be fine-adjusted to the left-right direction is comprised in the right side of a base. When the chip core is transferred from the insertion device 12 to the base 30 of the chuck 10b in this state, the rear support 31 and the right support 33 are driven to bring the chip core into close contact with the base and the left support. The position of the chip core can be accurately positioned.

The present invention is configured so that the base 30 of the chuck on which the chip core is placed can be finely adjusted in the up and down direction, and by constructing a support to finely adjust the position of the chip core at the rear and the left side of the base, thereby positioning the chip core. You can get the effect that can be exactly.

Claims (1)

The transfer device 10 which has the chuck | zipper 10b which clamps the chip core by which the electrode opposes at both ends from a parallel direction to the periphery of a rotating body, and rotates the rotating body to move a chip core in a fixed rotating surface. Wow, It is installed near the outer periphery of the transfer device, and supplies the chip core to the chuck and winds the coil around the chip core to connect both ends of the coil to the electrode of the chip core to form a chip coil, and the coil of the chip coil outside In the chip coil winding machine comprising a winding device 13 for cutting and separating from the coil of the coil to recover from the chuck, The chuck configured in the transfer device is configured such that the base 30 on which the chip core is placed can be fine-adjusted in the vertical direction, and the rear support 31 is disposed at the rear of the base to fine-tune in the front-rear direction. The winding machine of the chip coil, characterized in that the support (33) is possible to fine-adjust in the left and right direction at a position selected from the left and right sides of the base.